Home / 7,922.80-11,878.30-4,802.03

Finding the Fourth Proportional to 7,922.80, 11,878.30 and 4,802.03

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Solution

The fourth proportional to 7,922.80, 11,878.30 and 4,802.03 is: 7,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.80 : 11,878.30 = 4,802.03 : x
  2. Step 2: Convert to fraction form
    7,922.80/11,878.30 = 4,802.03/x
  3. Step 3: Cross multiply
    7,922.80x = 11,878.30 × 4,802.03
  4. Step 4: Simplify right side
    7,922.80x = 57,039,928.94
  5. Step 5: Solve for x
    x = 57,039,928.94/7,922.80
  6. Step 6: Final answer
    x = 7,199.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.